(19)

(11)

EP 3 097 504 A2

(12)

(88) Date of publication A3: 15.10.2015 (43) Date of publication: 30.11.2016 Bulletin 2016/48 (21) Application number: 15705111.1 (22) Date of filing: 14.01.2015

(51) International Patent Classification (IPC):  G06F 21/34(2013.01) H04L 29/06(2006.01) G06F 21/35(2013.01) G06F 9/50(2006.01) (86) International application number: PCT/US2015/011365 (87) International publication number: WO 2015/112398 (30.07.2015 Gazette 2015/30)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 24.01.2014 US 201414163220 (71) Applicant: Microsoft Technology Licensing, LLC Redmond, WA 98052-6399 (US)	(72) Inventors: AIGNER, Ronald Redmond, Washington 98052-6399 (US) KANE, Kevin Redmond, Washington 98052-6399 (US) THOM, Stefan Redmond, Washington 98052-6399 (US) (74) Representative: Hill, Justin John et al Olswang LLP 90 High Holborn London WC1V 6XX London WC1V 6XX (GB)